The Silvermine Mountains (Irish: Sliabh an Airgid) are a mountain range

Mountain range

A mountain range is a single, large mass consisting of a succession of mountains or narrowly spaced mountain ridges, with or without peaks, closely related in position, direction, formation, and age; a component part of a mountain system or of a mountain chain...

 situated in North Tipperary

North Tipperary

North Tipperary is a county in Ireland. It is part of the Mid-West Region and is also located in the province of Munster. It is named after the town of Tipperary and consists of 48% of the land area of the traditional county of Tipperary. The county was established in 1898 and has had a county...

 (the foothills run into County Limerick

County Limerick

It is thought that humans had established themselves in the Lough Gur area of the county as early as 3000 BC, while megalithic remains found at Duntryleague date back further to 3500 BC...

) in Ireland

Republic of Ireland

Ireland , described as the Republic of Ireland , is a sovereign state in Europe occupying approximately five-sixths of the island of the same name. Its capital is Dublin. Ireland, which had a population of 4.58 million in 2011, is a constitutional republic governed as a parliamentary democracy,...

. The highest peak of the range is Slievekimalta or Keeper Hill

Keeper Hill

Keeper Hill or Slievekimalta is a 694 m mountain in North Tipperary, Ireland.Keeper Hill is situated in the Slieve Felim mountain range in North Tipperary and is just 15km east of Limerick City. Keeper Hill is the highest mountain in the Shannon area and the 117th highest in Ireland. The ‘hill’...

 at 694m (2,277ft) high.
The range is often referred to as the Silvermines Mountains or simply The Silvermines (both using Silvermines plural) however the recognized name is Silvermine (singular) Mountains

The village of Silvermines

Silvermines

Silvermines, historically known as Bellagowan , is a village in North Tipperary in Ireland. It lies immediately north of the Silvermine mountain range and takes its name from the extensive mines of lead, zinc, copper, baryte and silver nearby...

is located to the north of Keeper Hill and has been a mining centre since the 14th century.